 	<ul>
        <li><a href="#fragment-1"><span><img src="img/upload_1.png" />上傳學習時數csv</span></a></li>
        <li><a href="#fragment-2"><span><img src="img/lookup_1.png" />顯示所有學生學習時數</span></a></li>
        <li><a href="#fragment-3"><span>擴充功能</span></a></li>
    </ul>
    <div id="fragment-1">
        <div class="content"><div class="iframe"><iframe src="upload_csv.php"></iframe></div></div>        
    </div>
    <div id="fragment-2">
  		<div class="content"><div><iframe width="800" height="500" src="show_stdHours.php"></iframe></div></div>
    </div>
    <div id="fragment-3">
                      尚未加入功能
    </div>   